I asked one of the "Pinks" a similar question during a recent Wed. discussion and I got a rather roundabout answer, the gist of which was that there isn't any simple way to do this (something about HTML, etc. which is beyond me!).
If you have any relatives or friends who are very literate in computer programming, you might want to check with them. I suspect it's probably an easy task for someone with those skills, and you could offer something in exchange for the favour.
There is apparently an auto-link on individual eBay listings that allows them to be put up on Facebook, Pinterest, etc., but I haven't yet tried that. I don't believe it will work for store pages - for that, you'll need your computer-savvy friends.
